
P c/ Advisory U.S. Deportment Circular
2000°F flame (+15O"F) for 5 minutes minimum. (Example: A fire resistant hose which will withstand a 2000°F flame for 5 minutes.) Y c. Engine Case Burnthroush: A fire condition within the engine which burns through the engine case, allowing a high pressure and temperature gas stream to escape from the engine. d flame: Heat Flux Density: The rate of thermal energy in …